The St. Charles Runners Club is proud to present the 44th running of the FLAT FIVE. This year’s FLAT FIVE event will once again feature a 5 Mile run and a 1 Mile Fun Run/Walk, as well as the popular Tot Trot!
Race Procedures
2025 Flat Five Race Plan
The 2025 Flat Five will be held on Sunday, August 3, 2025. It will be a physical race starting and finishing in Frontier Park in downtown St. Charles.
Course & Start/Finish Area
This year's course will be an out and back on the Katy Trail to minimize the impact on St. Charles City streets. Racers will head north from the start/finish on the Katy Trail. Course marshalls will be at all road crossings, at the water stop and at the turn around. A lead and trailing bike will be used to make sure that all participants have safely finished the race.
Start Times
The 5 Mile race will start at 7:00am. The 1 Mile will start at approximately 8:45am and the Toddler Trot will start at 9:00am.
Results
Start 2 Finish St. Louis will be providing live race results on-site via text message and email. Awards will be available onsite this year, with an awards ceremony around 8:30am. For those who can't stay for the awards ceremony, awards will be available for pickup at Fleet Feet St. Charles beginning Wednesday, August 7th.
Registration & Packet Pickup
Participants are highly encouraged to pick their packets up at Fleet Feet St. Charles on August 2nd. Details and hours below. There will be race day pickup as well as race day registration available on race morning beginning at 6:00am.
Water Stations
Bringing your own water is highly encouraged. August can be quite hot, so there will be 2 water stations on the Katy Trail, one just north of DuSable Park and another south of DuSable Park. We'll have volunteers passing out cups of water at both aid stations.
Post-Race Food
Post-Race food will be provided at the Frontier Park Bandstand.
Swag
5 Mile registrants will receive a Soft Style short sleeve shirt. 1 Mile participants can purchase a shirt for an additional $10. Swag inventory may be limited closer to the race date.
Awards
5 Mile Awards will be given to the top 3 male and female overall finishers, as well as the top 3 male and female finishers in the following age groups:
19 & Under, 20-29, 30-39, 40-49, 50-59, 60-69, 70 & Over
Packet Pickup
All participants are highly encouraged to pick their packets up prior to race morning.
Packet pickup is available at Fleet Feet St. Charles on the following days and times:
Saturday, August 2nd - 10am-4pm
Sunday, August 3rd - 6am-7am @ Frontier Park
Join the Club
The St. Charles Runners Club is a social club that promotes and encourages running. We host races, group runs, social get-togethers, and the occasional business meeting. We also assist local running-oriented charitable causes. The St. Charles Runners Club is a nonprofit sanctioned by the Road Runners Club of America (RRCA) and governed by an elected Board of Directors.
Contact information
- Event contact
- Chris Heupel
- chris.heupel@gmail.com
Pricing **Note that processing fees are now displayed in the pricing up front during registration, rather than added on at checkout per new federal regulations.
Prices are inclusive of mandatory charges, items, and fees
5 Mile
Price changes in 1 month 14 days-
Timed 5 Mile Race
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Register for 5 Mile$39.44Now registering Feb 21 – Jul 14
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$44.79Jul 15 – Aug 3
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1 Mile
Price changes in 1 month 14 days-
Untimed 1 mile fun run/walk.
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Register for 1 Mile$18.04Now registering Feb 21 – Jul 14
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$23.39Jul 15 – Aug 3
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Toddler Trot
Untimed kids fun run, approximately 50 yards.
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Register for Toddler Trot$7.34Feb 21 - Aug 3
